static int
fq_client_connect_internal(fq_conn_s *conn_s) {
int rv = -1;
uint32_t cmd = htonl(FQ_PROTO_CMD_MODE);
fq_client_disconnect_internal(conn_s);
conn_s->cmd_fd = fq_socket_connect(conn_s);
if(conn_s->cmd_fd < 0) goto shutdown;
fq_debug(FQ_DEBUG_CONN, "connect(cmd_fd) -> %d\n", conn_s->cmd_fd);
if(write(conn_s->cmd_fd, &cmd, sizeof(cmd)) != sizeof(cmd))
goto shutdown;
if((rv = fq_client_do_auth(conn_s)) < 0) {
fq_debug(FQ_DEBUG_CONN, "fq_client_do_auth -> %d\n", rv);
goto shutdown;
}
if(conn_s->auth_hook) {
if(conn_s->sync_hooks) enqueue_auth_hook_req(conn_s, 0);
else conn_s->auth_hook((fq_client)conn_s, 0);
}
return 0;
shutdown:
if(conn_s->cmd_fd >= 0) {
int toclose = conn_s->cmd_fd;
conn_s->cmd_fd = -1;
fq_debug(FQ_DEBUG_CONN, "close(cmd_fd) (in auth)\n");
close(toclose);
if(conn_s->disconnect_hook) conn_s->disconnect_hook(conn_s);
}
if(conn_s->auth_hook) {
if(conn_s->sync_hooks) enqueue_auth_hook_req(conn_s, rv);
else conn_s->auth_hook((fq_client)conn_s, rv);
}
return -1;
}
static int
fq_client_data_connect_internal(fq_conn_s *conn_s) {
int flags;
uint32_t cmd = htonl(conn_s->peermode ? FQ_PROTO_PEER_MODE
: FQ_PROTO_DATA_MODE);
/* We don't support data connections when the cmd connection is down */
if(conn_s->cmd_fd < 0) return -1;
if(conn_s->data_fd >= 0) {
int toclose = conn_s->data_fd;
conn_s->data_fd = -1;
fq_debug(FQ_DEBUG_CONN, "close(data_fd)\n");
close(toclose);
}
conn_s->data_fd = fq_socket_connect(conn_s);
if(conn_s->data_fd < 0) goto shutdown;
fq_debug(FQ_DEBUG_CONN, "connect(data_fd) -> %d\n", conn_s->data_fd);
if(write(conn_s->data_fd, &cmd, sizeof(cmd)) != sizeof(cmd))
goto shutdown;
if(conn_s->peermode) {
if(write(conn_s->data_fd, &conn_s->peermode,
sizeof(conn_s->peermode)) != sizeof(conn_s->peermode))
goto shutdown;
}
#ifdef DEBUG
{
char hex[260];
if(fq_rk_to_hex(hex, sizeof(hex), &conn_s->key) >= 0)
fq_debug(FQ_DEBUG_CONN, "client keying:\n%s\n", hex);
}
#endif
if(fq_write_short_cmd(conn_s->data_fd,
conn_s->key.len, conn_s->key.name) < 0) {
goto shutdown;
}
conn_s->tosend_offset = 0;
if(((flags = fcntl(conn_s->data_fd, F_GETFL, 0)) == -1) ||
(fcntl(conn_s->data_fd, F_SETFL, flags | O_NONBLOCK) == -1))
goto shutdown;
return 0;
shutdown:
if(conn_s->data_fd >= 0) {
int toclose = conn_s->data_fd;
conn_s->data_fd = -1;
fq_debug(FQ_DEBUG_CONN, "close(data_fd)\n");
close(toclose);
}
return -1;
}
static int
fq_client_connect_internal(fq_conn_s *conn_s) {
int rv;
uint32_t cmd = htonl(FQ_PROTO_CMD_MODE);
fq_client_disconnect_internal(conn_s);
conn_s->cmd_fd = fq_socket_connect(conn_s);
if(conn_s->cmd_fd < 0) goto shutdown;
if(write(conn_s->cmd_fd, &cmd, sizeof(cmd)) != sizeof(cmd))
goto shutdown;
if((rv = fq_client_do_auth(conn_s)) < 0) {
#ifdef DEBUG
fq_debug(FQ_DEBUG_CONN, "fq_client_do_auth -> %d\n", rv);
#endif
goto shutdown;
}
return 0;
shutdown:
if(conn_s->cmd_fd >= 0) {
close(conn_s->cmd_fd);
conn_s->cmd_fd = -1;
}
return -1;
}